examples/client: Enable ALPN

15a8d913 · Tatsuhiro Tsujikawa · 65d3c904 · 15a8d913
Commit 15a8d913 authored Oct 17, 2021 by Tatsuhiro Tsujikawa
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examples/client.c examples/client.c +4 -0

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--- a/examples/client.c
+++ b/examples/client.c
@@ -380,6 +380,10 @@ static void init_ssl_ctx(SSL_CTX *ssl_ctx) {
 #ifndef OPENSSL_NO_NEXTPROTONEG
  SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
 #endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+  SSL_CTX_set_alpn_protos(ssl_ctx, (const unsigned char *)"\x02h2", 3);
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
 }

 static void ssl_handshake(SSL *ssl, int fd) {